EcoFlow DELTA Pro Ultra Whole-Home Backup Power (UL 9540 Certificated)

-The only portable power station certified to both UL1973 and UL9540, offering extreme reliability for home use. -7.2-21.6kW output, powerful enough to run your whole home even with a central AC -6kWh-90kWh capacity, whole house backup for weeks with comfort -Auto-switchover, prolonged backup, and energy bill savings with EcoFlow Smart Home Panel 2 -5 Charging Options, even plan B has a plan B-Battery automatically starts self-heating if the temperature is lower than 0℃, allowing the battery to run as normal